And the friend who found Adair jnr dead lost her own life to a suspected overdose just four days later.

The fake pills are believed to have killed scores of Scots this year.

Adair jnr, 32, was found dead on September 10 in his home town of Troon, Ayrshire.

A close friend of his father told the Daily Record: “Johnny is distraught about this.

Daily RecordJonathan “Mad Pup” AdairThe 32-year-old was found dead on September 10
Son of Johnny ‘Mad Dog’ Adair died in ‘accidental drug overdose celebrating release from jail’

He knows Jonathan was taking the blue pills, and he knows mixing them with alcohol or other drugs is quite likely to be lethal.”

The source added: “Johnny has been speaking to people on the street and has been told his son was taking ‘blues’.

“He is aware of the stories in the Record and he knows loads of people in Ayrshire have been dying in the last few months.

“He won’t know for sure what killed Jonathan until toxicology results come back, and he is dreading any mention of heroin being involved.”

Sources close to Adair snr have said his son “had pills in his pockets” when he was found.

Adair jnr was known to the police and was released from a prison sentence for breaking a driving ban shortly before his death.

He was facing another court date this year over claims of possession of cannabis in jail.

Adair jnr was also jailed for more than 12 months two years ago for going on a drug-fuelled rampage at a woman’s home after he was refused a cannabis sale.

The court heard he was under the influence of “street Valium” at the time.

Former waitress Gemma Lawson, 22, and her boyfriend David Killen, 34, found Adair jnr dead after going to an address in Portland Street in the Templehill area of Troo

David said Gemma was looking for her friend Jasmine Johnstone, Adair jnr’s girlfriend.

Belfast LiveJonathan Adair (right) with father Johnny Adair
He added: “We looked through the letterbox and saw him. He wasn’t moving.

“We could just see his legs dangling over the side of the couch.

His neighbour came out and was trying the door. We had to climb through a loft bit to get inside.

“Gemma went in first and found Johnny. She said he wasn’t breathing. I tried to resuscitate him but he was already dead.

“Then the paramedics arrived and we were rushed out the door.”

David met Gemma just four weeks before her death. They were living together at a homeless unit in Troon’s Barassie Street.

He had lost his chef’s job because of his Valium addiction and he says she was taking “street Valium” to help with withdrawal symptoms from an addiction to painkiller Dihydrocodeine.

Channel 5Johnny AdairJohnny Adair is a former commander of a Northern Irish terror group
David found Gemma dead at the homeless unit on September 14. He said that the night before, she left him in the flat and went out for 30 of the blue “Valium” tablets.

He added: “She took 25 of them. I tried to talk her out of it.

“I knew straight away about the bad batch when she brought them in. I’d read in the Record about the tablets killing people.

“I told Gemma, ‘That’s those dodgy ones’, and told her I wouldn’t be taking them

David said he took a different batch of Valium and he and Gemma both fell asleep.

He says she stopped breathing the next morning. He ran to fetch the unit’s concierge, who called the emergency services.

Paramedics raced to the unit but could not revive her, and she was pronounced dead at the scene.

A relative of Gemma said it was too soon for the family to comment about her death.

Millions of fake Valium pills are believed to be in circulation in Scotland. They are bought over the internet for as little as 10p each, or manufactured by gangsters in this country and sold for 50p.

Valium is a trade name for the powerful tranquiliser diazepam. But the fake pills often contain other drugs, making them highly unpredictable.

Recent drugs figures showed that more Scots are dying from overdoses than at any point in history.

And many deaths involving fake Valium are not counted in the figures because users were also taking other drugs and toxicology tests cannot pinpoint exactly what killed them.

Cause of death in such cases is listed as “unascertained”.

Investigations are ongoing into what killed Jonathan Adair and his death certificate says no cause has been established.

It says he was found dead at 5.30pm at a property in Templehill. His occupation is listed as “general labourer”.

Adair snr signed the certificate.

Police confirmed that officers and paramedics responded to a report of a woman’s death at the Barassie Street homeless unit at 10am on September 14.

A spokesman said: “The woman is still to be formally identified. A post mortem will take place in due course to establish the exact cause of death.”

The spokesman said the death was not being treated as suspicious and a report would be sent to the procurator fiscal.